Display device and backlight control method

A technology of display equipment and backlight control, applied in static indicators, instruments, etc., can solve the problems of halo, image ratio effect, low brightness of local images, etc., to achieve reasonable brightness and improve user experience.

Active Publication Date: 2022-04-19
HISENSE VISUAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the display device is displaying images, when the user sets the image aperture too large, although the brightness of the partial image can be improved, it will cause halos; when the user sets the image aperture too small, although the halos will be relatively small, but The brightness of the local screen is low, and the overall contrast of the screen will be affected
[0003] It can be seen from the above that the existing control method for the image aperture is unreasonable, which reduces the user experience

Method used

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  • Display device and backlight control method
  • Display device and backlight control method
  • Display device and backlight control method

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Embodiment Construction

[0025] In order to make the purpose, implementation and advantages of the application clearer, the following will clearly and completely describe the exemplary embodiments of the application in conjunction with the accompanying drawings in the exemplary embodiments of the application. Obviously, the described exemplary embodiments It is only a part of the embodiments of the present application, but not all the embodiments.

[0026] Based on the exemplary embodiments described in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts fall within the protection scope of the appended claims of this application. In addition, although the disclosures in this application are introduced as exemplary one or several examples, it should be understood that each aspect of these disclosures can also independently constitute a complete implementation.

[0027] It should be noted that the brief description of the terms in this...

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Abstract

Embodiments of the present application provide a display device and a backlight control method, which relate to the field of display technology, and can reasonably control the image aperture of the display device, and then reasonably adjust the brightness of the backlight of the display device to improve user experience. The method includes: determining the average gray value of the image; if the average gray value of the image is smaller than the first threshold, dividing the image into multiple partitions and determining the average gray value of each partition; if the average gray value of the target partition is If the intensity value is less than the second threshold, then determine the highlight area of ​​the target partition; the target partition is any one of the multiple partitions; adjust the backlight brightness of the target partition according to the highlight area of ​​the target partition.

Description

technical field [0001] The present application relates to the field of display technology, in particular to a display device and a backlight control method. Background technique [0002] Currently, some LCD TVs and other display devices have fixed control over the image aperture. When the display device is displaying images, when the user sets the image aperture too large, although the brightness of the partial image can be improved, it will cause halos; when the user sets the image aperture too small, although the halos will be relatively small, but If the brightness of a part of the screen is low, the overall contrast of the screen will be affected. [0003] It can be seen from the above that the existing control method for the image aperture is unreasonable, which reduces the user experience. Contents of the invention [0004] Embodiments of the present application provide a display device and a backlight control method, which can reasonably control the image aperture...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/34
CPCG09G3/342
Inventor 王烨东沈海杰
Owner HISENSE VISUAL TECH CO LTD
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